Structural Engineering

We offer our clients 65-plus years of experience and an extensive array of structural design-related services. Our shared knowledge includes virtually all contemporary structural building systems, plus outdated systems often encountered in existing buildings.

Landscape Architecture

In addition to a full range of landscape architecture services, our site department has achieved a singular reputation for specialty detailing of site features, green infrastructure, and facility development planning.

Building Envelope Systems

This area of our practice addresses specific needs of our clients, including architects and building owners. Services include assessment, rehabilitation, and restoration of contemporary and historic masonry facades, envelope performance consulting, and Building Envelope Commissioning (BECx).

Welcome toKlepper, Hahn & Hyatt

Klepper, Hahn & Hyatt is a multi-disciplinary design firm specializing in structural engineering, landscape architecture, and building envelope systems. We serve the northeastern United States from our office in Central New York. Our firm works in both the public and private sectors to develop projects which are cost-effective, sustainable, and responsive to the needs of our clients.